If you have an issue as above and your Paternity leave is using adjustment leave, please check if you have enough entitlement added, and the effective date is within the period the employee applies for leave. Please check as follows:
Go to the Leave module.
Click Modules and click Adjustment Leave.
Search for the employee and check if the entitlement is sufficient. The effective date is within the date the employee applies for leave.
Change the entitlement or the effective date and click Save.